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Ubuntu 24.04: USN-7752-1 libyang2 Critical Denial Of Service CVE-2023-26916

ubuntu
Calendar Grey September 16, 2025
Dist Ubuntu Esm H88
Debian Security Advisory DSA-4849-1 tackles libyang1 issues with enhancements to mitigate potential system instability caused by specially constructed data entries.
libyang could be made to crash if it received specially crafted input.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS Summary: libyang could be made to crash if it received specially crafted input. Software Description: - libyang2: parser toolkit for IETF YANG data modeling Details: It was discovered that libyang incorrectly handled certain memory operations when parsing YANG strings. An attacker could possibly use this issue to cause libyang to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory issue libyang2

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS libyang2t64 2.1.30-2.1ubuntu0.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7752-1

CVE-2023-26916, CVE-2023-26917

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7752-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory issue libyang2

Package Information

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